Keystones — Capstone
Five GCSE retrieval questions · 31 March 2026 · mathsvault.uk/keystones
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1. Number Multiplying in standard form
Multiply: 3.1 × 105 × 2.3 × 103
Answer: 7.13 × 108 -
2. Algebra Inequalities with unknowns on both sides
Solve: 6x + 12 ≤ 2x - 7
Answer: x ≤ 4.8 -
3. Geometry Area using Pythagoras
A right triangle has hypotenuse 5cm and one side 3cm. Find its area
Answer: 6cm² -
4. Ratio Ratio given the difference
In ratio 2:1, the difference between shares is 105. What is the total?
Answer: 315 -
5. Statistics Mode
Find the mode of: 35, 46, 74, 10, 63
Answer: No mode